fix(inputs.smart): change attribute regexp to support flags like PO-RC-+

plugins/inputs/smart/smart.go

@@ -56,7 +56,12 @@ var (
 	//   1 Raw_Read_Error_Rate     -O-RC-   200   200   000    -    0
 	//   5 Reallocated_Sector_Ct   PO--CK   100   100   000    -    0
 	// 192 Power-Off_Retract_Count -O--C-   097   097   000    -    14716
-	attribute = regexp.MustCompile(`^\s*([0-9]+)\s(\S+)\s+([-P][-O][-S][-R][-C][-K])\s+([0-9]+)\s+([0-9]+)\s+([0-9-]+)\s+([-\w]+)\s+([\w\+\.]+).*$`)
+
+	// ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
+	//   1 Raw_Read_Error_Rate     PO-RC-+  200   200   051    -    30
+	//   5 Reallocated_Sector_Ct   POS-C-+  200   200   140    -    0
+	// 192 Power-Off_Retract_Count -O-RCK+  200   200   000    -    4
+	attribute = regexp.MustCompile(`^\s*([0-9]+)\s(\S+)\s+([-P][-O][-S][-R][-C][-K])[\+]?\s+([0-9]+)\s+([0-9]+)\s+([0-9-]+)\s+([-\w]+)\s+([\w\+\.]+).*$`)
 
 	//  Additional Smart Log for NVME device:nvme0 namespace-id:ffffffff
 	// nvme version 1.14+ metrics: